The top group takes off as 25,000 runners participate in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. San Antonio's Jose Munoz won the marathon with a time of 2:27:51.

The top group takes off as 25,000 runners participate in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. San Antonio's Jose Munoz won the marathon with a time of 2:27:51.

Photo: Jerry Lara, Jerry Lara/Express-News

The top group takes off as 25,000 runners participate in the Rock... Photo-3721597.52269 - San Antonio Express-News

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Jose Munoz, of San Antonio, crosses the finish line at the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Munoz came in first place in the men's marathon division with a time of 2:27:51. less

Jose Munoz, of San Antonio, crosses the finish line at the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Munoz came in first place in the men's marathon division with a time of ... more

Photo: Jerry Lara, San Antonio Express-News

Jose Munoz, of San Antonio, crosses the finish line at the Rock... Photo-3721594.52269 - San Antonio Express-News

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Around 25,000 runners are in place as the National Anthem is sung before the start of the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012.

Around 25,000 runners are in place as the National Anthem is sung before the start of the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012.

Photo: Jerry Lara, San Antonio Express-News

Around 25,000 runners are in place as the National Anthem is sung... Photo-3721595.52269 - San Antonio Express-News

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A group of runners carry a Chinese dragon costume as 25,000 runners line up to participate in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012.

A group of runners carry a Chinese dragon costume as 25,000 runners line up to participate in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012.

Photo: Jerry Lara, San Antonio Express-News

A group of runners carry a Chinese dragon costume as 25,000 runners... Photo-3721596.52269 - San Antonio Express-News

Runners make their way past the Alamo during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Around 25,000 runners participated in the event.

Runners make their way past the Alamo during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Around 25,000 runners participated in the event.

Photo: Jerry Lara, San Antonio Express-News

Runners make their way past the Alamo during the Rock 'n'... Photo-3721652.52269 - San Antonio Express-News

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Elizabeth Elder is the first in the women's division to finish the marathon in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Elder, a cross country coach in Fort Worth, posted a time of 3:06:20. less

Elizabeth Elder is the first in the women's division to finish the marathon in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Elder, a cross country coach in Fort Worth, posted ... more

Photo: Jerry Lara, San Antonio Express-News

Elizabeth Elder is the first in the women's division to finish... Photo-3721653.52269 - San Antonio Express-News

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Runners make their way past Alamo Plaza during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Around 25,000 runners participated in the event.

Runners make their way past Alamo Plaza during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Around 25,000 runners participated in the event.

Photo: Jerry Lara, San Antonio Express-News

Runners make their way past Alamo Plaza during the Rock... Photo-3721656.52269 - San Antonio Express-News

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Taboola Gallery Frame Item-85307.52269 - San Antonio Express-News

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Amy Parra holds a sign as she cheers for runners during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon Sunday Nov. 11, 2012.

Amy Parra holds a sign as she cheers for runners during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon Sunday Nov. 11, 2012.

Photo: Edward A. Ornelas, San Antonio Express-News

Amy Parra holds a sign as she cheers for runners during the Rock... Photo-3721658.52269 - San Antonio Express-News

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Participants make their way under IH-37 in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012.

Participants make their way under IH-37 in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012.

Photo: Jerry Lara, San Antonio Express-News

Participants make their way under IH-37 in the Rock 'n'... Photo-3721701.52269 - San Antonio Express-News

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After finishing first in the women's half marathon, Dawn Grunnagle, of Dallas, is helped by volunteers in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Grunnagle posted a time of 1:18:07 and in second was Tia Kool, right, with a time of 1:18:27. less

After finishing first in the women's half marathon, Dawn Grunnagle, of Dallas, is helped by volunteers in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Grunnagle posted a time ... more

Photo: Jerry Lara, San Antonio Express-News

After finishing first in the women's half marathon, Dawn... Photo-3721703.52269 - San Antonio Express-News

Runners make their way around San Pedro Park during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon Sunday Nov. 11, 2012.

Runners make their way around San Pedro Park during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon Sunday Nov. 11, 2012.

Photo: Edward A. Ornelas, San Antonio Express-News

Runners make their way around San Pedro Park during the Rock... Photo-3721852.52269 - San Antonio Express-News

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At the finish line, Sgt. Jonathan Gillis hugs his wife, Giselle, after she finished the half marathon in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Gilles, who was deployed to Afghanistan with the Texas Army National Guard, surprised his wife at the event. He arrived with his company to Camp Atterbury, Indiana last week but told his wife that his arrival would be delayed due to dental surgery. less

At the finish line, Sgt. Jonathan Gillis hugs his wife, Giselle, after she finished the half marathon in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Gilles, who was deployed ... more

A view of the Tower of the Americas as runners make their way on Mission Road during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon Sunday Nov. 11, 2012.

A view of the Tower of the Americas as runners make their way on Mission Road during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon Sunday Nov. 11, 2012.

Photo: Edward A. Ornelas, San Antonio Express-News

A view of the Tower of the Americas as runners make their way on... Photo-3721853.52269 - San Antonio Express-News

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A runner takes a break on Mission Road during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon Sunday Nov. 11, 2012.

A runner takes a break on Mission Road during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon Sunday Nov. 11, 2012.

Photo: Edward A. Ornelas, San Antonio Express-News

A runner takes a break on Mission Road during the Rock... Photo-3721855.52269 - San Antonio Express-News

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Taboola Gallery Frame Item-85307.52269 - San Antonio Express-News

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At the finish line, Sgt. Jonathan Gillis hugs his wife, Giselle, after she finished the half marathon in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Gilles, who was deployed to Afghanistan with the Texas Army National Guard, surprised his wife at the event. He arrived with his company to Camp Atterbury, Indiana last week but told his wife that his arrival would be delayed due to dental surgery. less

At the finish line, Sgt. Jonathan Gillis hugs his wife, Giselle, after she finished the half marathon in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Gilles, who was deployed ... more

A runner passes under Interstate 10 during the Rock 'n'... Photo-3721886.52269 - San Antonio Express-News

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Reecluse's Tylar Burson performs with the band during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon Sunday Nov. 11, 2012.

Reecluse's Tylar Burson performs with the band during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon Sunday Nov. 11, 2012.

Photo: Edward A. Ornelas, San Antonio Express-News

Reecluse's Tylar Burson performs with the band during the Rock... Photo-3721867.52269 - San Antonio Express-News

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At the finish line, Sgt. Jonathan Gillis hugs his wife, Giselle, after she finished the half marathon in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Gilles, who was deployed to Afghanistan with the Texas Army National Guard, surprised his wife at the event. He arrived with his company to Camp Atterbury, Indiana last week but told his wife that his arrival would be delayed due to dental surgery. less

At the finish line, Sgt. Jonathan Gillis hugs his wife, Giselle, after she finished the half marathon in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Gilles, who was deployed ... more

Frank Nguyen, of San Antonio, participates in the half marathon of the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Nguyen posted a time of 2:17:51.

Frank Nguyen, of San Antonio, participates in the half marathon of the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. Nguyen posted a time of 2:17:51.

Photo: Jerry Lara, San Antonio Express-News

Frank Nguyen, of San Antonio, participates in the half marathon of... Photo-3721730.52269 - San Antonio Express-News

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Holding a first place check, Stanley Biwott wipes sweat off his face, after finishing the half marathon with a time of 1:01:09 in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012.

Holding a first place check, Stanley Biwott wipes sweat off his face, after finishing the half marathon with a time of 1:01:09 in the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012.

Photo: Jerry Lara, San Antonio Express-News

Holding a first place check, Stanley Biwott wipes sweat off his... Photo-3721717.52269 - San Antonio Express-News

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Rosabel Gabriel holds up a tribute while runing in the half marathon of the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012.

Rosabel Gabriel holds up a tribute while runing in the half marathon of the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012.

Photo: Jerry Lara, San Antonio Express-News

Rosabel Gabriel holds up a tribute while runing in the half... Photo-3721751.52269 - San Antonio Express-News

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Taboola Gallery Frame Item-85307.52269 - San Antonio Express-News

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Saul Mendoza, of Wimberley, comes in at first place in the men's wheelchair marathon division of the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. His time was 2:00:57.

Saul Mendoza, of Wimberley, comes in at first place in the men's wheelchair marathon division of the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon, Sunday, Nov. 11, 2012. His time was 2:00:57.

Photo: Jerry Lara, San Antonio Express-News

Saul Mendoza, of Wimberley, comes in at first place in the... Photo-3721829.52269 - San Antonio Express-News

Celinda Guerra and other marathon runners are sprayed with water during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon Sunday Nov. 11, 2012. Guerra 's marathon time was 4:52:39.

Celinda Guerra and other marathon runners are sprayed with water during the Rock 'n' Roll San Antonio Marathon and 1/2 Marathon Sunday Nov. 11, 2012. Guerra 's marathon time was 4:52:39.

Photo: Edward A. Ornelas, San Antonio Express-News

Celinda Guerra and other marathon runners are sprayed with water... Photo-3722070.52269 - San Antonio Express-News

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FEATURES; ACS RNR MARATHON JMS; 11/13/11; From the left, Steve and Janet Flores, Cindy and Tom Lynds after finishing the Rock 'n' Roll Marathon, Sunday, November 13, 2011, at The Alamodome in San Antonio. ( Photo by J. Michael Short / SPECIAL ) less

FEATURES; ACS RNR MARATHON JMS; 11/13/11; From the left, Steve and Janet Flores, Cindy and Tom Lynds after finishing the Rock 'n' Roll Marathon, Sunday, November 13, 2011, at The Alamodome in San Antonio. ( ... more

FEATURES; ACS RNR MARATHON JMS; 11/13/11; From the left, Andrea Timmons and Mike O'Connor after finishing the Rock 'n' Roll Marathon, Sunday, November 13, 2011, at The Alamodome in San Antonio. ( Photo by J. Michael Short / SPECIAL ) less

FEATURES; ACS RNR MARATHON JMS; 11/13/11; From the left, Andrea Timmons and Mike O'Connor after finishing the Rock 'n' Roll Marathon, Sunday, November 13, 2011, at The Alamodome in San Antonio. ( Photo by J. ... more

FEATURES; ACS RNR MARATHON JMS; 11/13/11; From the left, Eric and Anne Guerrero after finishing the Rock 'n' Roll Marathon, Sunday, November 13, 2011, at The Alamodome in San Antonio. ( Photo by J. Michael Short / SPECIAL ) less

FEATURES; ACS RNR MARATHON JMS; 11/13/11; From the left, Eric and Anne Guerrero after finishing the Rock 'n' Roll Marathon, Sunday, November 13, 2011, at The Alamodome in San Antonio. ( Photo by J. Michael ... more

FEATURES; ACS RNR MARATHON JMS; 11/13/11; From the left, Susan Tourk, Andrew Mora and Sadie Cambon after finishing the Rock 'n' Roll Marathon, Sunday, November 13, 2011, at The Alamodome in San Antonio. ( Photo by J. Michael Short / SPECIAL ) less